Alexa Fluor® 647 Anti-STAT5 (phospho Y694) antibody [E208]

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Signal Transducer and Activator of Transcription 5 commonly known as STAT5 is a member of the STAT protein family. It weighs approximately 94 kDa. STAT5 usually exists in two closely related forms STAT5a and STAT5b with both playing similar roles but having slightly different activity. This protein is widely expressed found in cells like lymphocytes epithelial cells and endothelial cells indicating its importance in various tissues.

Biological function summary

STAT5 acts as a transcription factor that modulates gene expression by binding to specific DNA sequences. It often forms part of a larger complex when activated. This complex relocation to the nucleus triggers transcriptional activities essential for cell growth differentiation and survival. As it interacts with other proteins STAT5 plays an important role in cytokine signaling particularly in response to interleukins and growth hormones.

Pathways

STAT5 is important in the JAK-STAT signaling pathway. This pathway is activated by cytokines and growth factors leading to STAT5 phosphorylation and its subsequent translocation into the nucleus. The interaction with Janus kinases (JAKs) facilitates this process. STAT5 also plays a significant role in the MAPK pathway linking it to various cellular responses and functions.

STAT5 has a strong association with oncological conditions like leukemia and lymphomas. Aberrant activation or dysregulation of STAT5 can lead to uncontrolled cell proliferation and survival contributing to cancer. Furthermore STAT5 is linked with autoimmune diseases with its malfunction affecting immune response and leading to disorders. In these conditions proteins like BCL-XL often interact with STAT5 influencing cell survival pathways.